inventory_image = "signs_lib_sign_wall_wooden_inv.png",
wield_image = "signs_lib_sign_wall_wooden_inv.png",
groups = wood_groups,
+ sounds = signs_lib.standard_wood_sign_sounds,
default_color = "0",
on_rightclick = signs_lib.construct_sign,
on_construct = signs_lib.construct_sign,
inventory_image = "signs_lib_sign_wall_steel_inv.png",
wield_image = "signs_lib_sign_wall_steel_inv.png",
groups = wood_groups,
+ sounds = signs_lib.standard_steel_sign_sounds,
default_color = "0",
on_rightclick = signs_lib.construct_sign,
on_construct = signs_lib.construct_sign,